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state-res: Reduce indentation by adding early returns

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This commit is contained in:
Jonas Platte 2022-01-13 13:52:43 +01:00
parent ee977b48f0
commit 1bdeebbd00
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1 changed files with 30 additions and 28 deletions
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58
crates/ruma-state-res/src/event_auth.rs
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@ -902,36 +902,38 @@ fn verify_third_party_invite(
return false; return false;
} }
// If there is no m.room.third_party_invite event in the current room state // If there is no m.room.third_party_invite event in the current room state with state_key
// with state_key matching token, reject // matching token, reject
if let Some(current_tpid) = current_third_party_invite { let current_tpid = match current_third_party_invite {
if current_tpid.state_key() != Some(&tp_id.signed.token) { Some(id) => id,
return false; None => return false,
} };
if sender != current_tpid.sender() { if current_tpid.state_key() != Some(&tp_id.signed.token) {
return false; return false;
}
// If any signature in signed matches any public key in the m.room.third_party_invite event,
// allow
if let Ok(tpid_ev) =
from_json_str::<RoomThirdPartyInviteEventContent>(current_tpid.content().get())
{
// A list of public keys in the public_keys field
for key in tpid_ev.public_keys.unwrap_or_default() {
if key.public_key == tp_id.signed.token {
return true;
}
}
// A single public key in the public_key field
tpid_ev.public_key == tp_id.signed.token
} else {
false
}
} else {
false
} }
if sender != current_tpid.sender() {
return false;
}
// If any signature in signed matches any public key in the m.room.third_party_invite event,
// allow
let tpid_ev =
match from_json_str::<RoomThirdPartyInviteEventContent>(current_tpid.content().get()) {
Ok(ev) => ev,
Err(_) => return false,
};
// A list of public keys in the public_keys field
for key in tpid_ev.public_keys.unwrap_or_default() {
if key.public_key == tp_id.signed.token {
return true;
}
}
// A single public key in the public_key field
tpid_ev.public_key == tp_id.signed.token
} }
#[cfg(test)] #[cfg(test)]